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    <title>MongoDB Jira</title>
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    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[COMPASS-6730] Investigate changes in PM-1966: Track views in the catalog</title>
                <link>https://jira.mongodb.org/browse/COMPASS-6730</link>
                <project id="13182" key="COMPASS">Compass </project>
                    <description>
    &lt;div class=&quot;panel&quot; style=&quot;background-color: #c2d2c2;border-width: 1px;&quot;&gt;&lt;div class=&quot;panelHeader&quot; style=&quot;border-bottom-width: 1px;background-color: #239eb0;&quot;&gt;&lt;b&gt;Original Downstream Change Summary&lt;/b&gt;&lt;/div&gt;&lt;div class=&quot;panelContent&quot; style=&quot;background-color: #c2d2c2;&quot;&gt;
&lt;p&gt;    Backup will be impacted &lt;/p&gt;
&lt;h2&gt;&lt;a name=&quot;DescriptionofLinkedTicket&quot;&gt;&lt;/a&gt;Description of Linked Ticket&lt;/h2&gt;
    &lt;div class=&quot;panel&quot; style=&quot;background-color: #c2d2c2;border-color: #cccccc;border-style: dashed;border-width: 1px;&quot;&gt;&lt;div class=&quot;panelHeader&quot; style=&quot;border-bottom-width: 1px;border-bottom-style: dashed;border-bottom-color: #cccccc;background-color: #239eb0;&quot;&gt;&lt;b&gt;Epic Summary&lt;/b&gt;&lt;/div&gt;&lt;/div&gt;
&lt;h4&gt;&lt;a name=&quot;Summary&quot;&gt;&lt;/a&gt;Summary&lt;/h4&gt;
&lt;p&gt;Move tracking of views from the primary shard for a database, to the catalog, and make view definitions available on mongos&lt;/p&gt;

&lt;h4&gt;&lt;a name=&quot;Motivation&quot;&gt;&lt;/a&gt;Motivation&lt;/h4&gt;
&lt;p&gt;The status quo, where views are tracked on the primary shard for their database, has a few downsides:&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;View definitions require an extra round trip to resolve&lt;/li&gt;
	&lt;li&gt;Query doesn&apos;t have access to the full universe of namespaces on routers&lt;/li&gt;
	&lt;li&gt;Views living on the primary shard for a database necessitates the continued existence of primary shards for databases&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;Moving view definitions will solve those problems, improving performance, ability to perform query planning and removing a barrier to getting rid of the notion of primary shards (and in turn removing a barrier to removing the movePrimary command)&lt;/p&gt;


&lt;h4&gt;&lt;a name=&quot;CastofCharacters&quot;&gt;&lt;/a&gt;Cast of Characters&lt;/h4&gt;
&lt;ul&gt;
	&lt;li&gt;Product Owner:&lt;/li&gt;
	&lt;li&gt;Project Lead:&lt;/li&gt;
	&lt;li&gt;Program Manager:&lt;/li&gt;
	&lt;li&gt;Drivers Contact:&lt;/li&gt;
&lt;/ul&gt;


&lt;h4&gt;&lt;a name=&quot;Documentation&quot;&gt;&lt;/a&gt;Documentation&lt;/h4&gt;

&lt;p&gt;&lt;a href=&quot;http://tinyurl.com/y7fqg89v&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Scope Document&lt;/a&gt;&lt;br/&gt;
 &lt;a href=&quot;http://tinyurl.com/yblxs8nl&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Technical Design Document&lt;/a&gt;&lt;br/&gt;
 &lt;a href=&quot;http://tinyurl.com/ybsabnwt&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Product Description&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;https://docs.google.com/document/d/1V5KD6z3Bg6qojibFxCdc0dQtA1p73D1vaW-bS4P8pk0/edit?usp=drivesdk&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Docs Update&lt;/a&gt;&lt;/p&gt;
&lt;/div&gt;&lt;/div&gt;
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                <environment></environment>
        <key id="2317260">COMPASS-6730</key>
            <summary>Investigate changes in PM-1966: Track views in the catalog</summary>
                <type id="10501" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14720&amp;avatarType=issuetype">Investigation</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="10953" iconUrl="https://jira.mongodb.org/images/icons/statuses/generic.png" description="">Waiting (Blocked)</status>
                    <statusCategory id="4" key="indeterminate" colorName="inprogress"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="backlog-server-pm">Backlog - Core Eng Program Management Team</reporter>
                        <labels>
                    </labels>
                <created>Tue, 18 Apr 2023 12:58:23 +0000</created>
                <updated>Mon, 8 Jan 2024 17:11:55 +0000</updated>
                                                                                <due></due>
                            <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="5985738" author="dbeng-pm-bot" created="Thu, 4 Jan 2024 14:18:14 +0000"  >&lt;p&gt;&lt;em&gt;Fix Version updated for upstream PM-1966:&lt;/em&gt; &lt;/p&gt;</comment>
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